diff options
Diffstat (limited to 'core/cortex-m0/cpu.h')
| -rw-r--r-- | core/cortex-m0/cpu.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/core/cortex-m0/cpu.h b/core/cortex-m0/cpu.h index ac184090f9..c30095fd65 100644 --- a/core/cortex-m0/cpu.h +++ b/core/cortex-m0/cpu.h @@ -38,6 +38,14 @@ #define CPU_NVIC_CCR_UNALIGN_TRAP BIT(3) +/* Bitfield values for EXC_RETURN. */ +#define EXC_RETURN_SPSEL_MASK BIT(2) +#define EXC_RETURN_SPSEL_MSP 0 +#define EXC_RETURN_SPSEL_PSP BIT(2) +#define EXC_RETURN_MODE_MASK BIT(3) +#define EXC_RETURN_MODE_HANDLER 0 +#define EXC_RETURN_MODE_THREAD BIT(3) + /* Set up the cpu to detect faults */ void cpu_init(void); |